22040012992 has 42 divisors (see below), whose sum is σ = 45295891628. Its totient is φ = 10639980288.

The previous prime is 22040012989. The next prime is 22040012993. The reversal of 22040012992 is 29921004022.

It is not an unprimeable number, because it can be changed into a prime (22040012993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 150918 + ... + 258565.

Almost surely, 2^22040012992 is an apocalyptic number.

It is an amenable number.

22040012992 is an abundant number, since it is smaller than the sum of its proper divisors (23255878636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22040012992 is an equidigital number, since it uses as much as digits as its factorization.

22040012992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409553 (or 409514 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 22040012992 in words is "twenty-two billion, forty million, twelve thousand, nine hundred ninety-two".